Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity.
Metrics
Affected Vendors & Products
References
History
Wed, 13 May 2026 15:15:00 +0000
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ssvc
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Wed, 13 May 2026 11:00:00 +0000
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Amd
Amd epyc 7003 Series Processors Amd epyc 8004 Series Processors Amd epyc 9004 Series Processors Amd epyc 9005 Series Processors Amd epyc Embedded 7003 Series Processors Amd epyc Embedded 8004 Series Processors Amd epyc Embedded 9004 Series Processors Amd epyc Embedded 9005 Series Processors |
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| Vendors & Products |
Amd
Amd epyc 7003 Series Processors Amd epyc 8004 Series Processors Amd epyc 9004 Series Processors Amd epyc 9005 Series Processors Amd epyc Embedded 7003 Series Processors Amd epyc Embedded 8004 Series Processors Amd epyc Embedded 9004 Series Processors Amd epyc Embedded 9005 Series Processors |
Wed, 13 May 2026 04:30:00 +0000
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| Title | Insufficient Lock‑Bit Protection Enabling Unauthorized MMIO Routing Modification |
Wed, 13 May 2026 03:30:00 +0000
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| Description | Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity. | |
| Weaknesses | CWE-1233 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: AMD
Published:
Updated: 2026-05-13T14:37:35.830Z
Reserved: 2025-10-04T18:09:57.018Z
Link: CVE-2025-61971
Updated: 2026-05-13T14:37:33.127Z
Status : Awaiting Analysis
Published: 2026-05-13T04:17:31.187
Modified: 2026-05-13T14:49:11.830
Link: CVE-2025-61971
No data.
OpenCVE Enrichment
Updated: 2026-05-13T10:34:59Z